package com.dhq.myapp.util;

import java.security.MessageDigest;

public class MD5Utils {    /**
     * md5加密
     *
     * @param inStr
     * @return
     */
    public static String MD5(String inStr) {
        MessageDigest md5 = null;
        try {
            md5 = MessageDigest.getInstance("MD5");
            // inStr = new String(inStr.getBytes(), "utf-8");
            char[] charArray = inStr.toCharArray();
            byte[] byteArray = new byte[charArray.length];

            for (int i = 0; i < charArray.length; i++) {
                byteArray[i] = (byte) charArray[i];
            }
            byte[] md5Bytes = md5.digest(byteArray);
            StringBuffer hexValue = new StringBuffer();

            for (int i = 0; i < md5Bytes.length; i++) {
                int val = ((int) md5Bytes[i]) & 0xff;
                if (val < 16) {
                    hexValue.append("0");
                }
                hexValue.append(Integer.toHexString(val));
            }

            return hexValue.toString();
        } catch (Exception e) {
            System.out.println(e.toString());
            e.printStackTrace();
            return "";
        }
    }


    public static String MD5_Params(String... inStrs) {
        String md5Str="";
        for (String inStr : inStrs) {
            md5Str+=MD5(inStr);
        }
        return MD5(md5Str);
    }

}
